qmk_firmware/data/schemas/keyboard.jsonschema

{
    "$schema": "https://json-schema.org/draft/2020-12/schema#",
    "$id": "qmk.keyboard.v1",
    "title": "Keyboard Information",
    "definitions": {
        "encoder_config": {
            "type": "object",
            "properties": {
                "rotary": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "additionalProperties": false,
                        "required": ["pin_a", "pin_b"],
                        "properties": {
                            "pin_a": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                            "pin_b": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                            "resolution": {"$ref": "qmk.definitions.v1#/unsigned_int"} 
                        }
                    }
                }
            }
        }
    },
    "type": "object",
    "properties": {
        "keyboard_name": {"$ref": "qmk.definitions.v1#/text_identifier"},
        "keyboard_folder": {"$ref": "qmk.definitions.v1#/keyboard"},
        "maintainer": {"$ref": "qmk.definitions.v1#/text_identifier"},
        "manufacturer": {"$ref": "qmk.definitions.v1#/text_identifier"},
        "url": {
            "type": "string",
            "format": "uri"
        },
        "development_board": {
            "type": "string",
            "enum": ["promicro", "elite_c", "proton_c", "bluepill", "blackpill_f401", "blackpill_f411"]
        },
        "pin_compatible": {
            "type": "string",
            "enum": ["promicro"]
        },
        "processor": {
            "type": "string",
            "enum": ["cortex-m0", "cortex-m0plus", "cortex-m3", "cortex-m4", "MKL26Z64", "MK20DX128", "MK20DX256", "MK66FX1M0", "RP2040", "STM32F042", "STM32F072", "STM32F103", "STM32F303", "STM32F401", "STM32F405", "STM32F407", "STM32F411", "STM32F446", "STM32G431", "STM32G474", "STM32L412", "STM32L422", "STM32L432", "STM32L433", "STM32L442", "STM32L443", "GD32VF103", "WB32F3G71", "WB32FQ95", "atmega16u2", "atmega32u2", "atmega16u4", "atmega32u4", "at90usb162", "at90usb646", "at90usb647", "at90usb1286", "at90usb1287", "atmega32a", "atmega328p", "atmega328", "attiny85", "unknown"]
        },
        "audio": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "macro_beep": {"type": "boolean"},
                "pins": {"$ref": "qmk.definitions.v1#/mcu_pin_array"},
                "voices": {"type": "boolean"}
            }
        },
        "backlight": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "breathing": {"type": "boolean"},
                "breathing_period": {"$ref": "qmk.definitions.v1#/unsigned_int_8"},
                "levels": {
                    "type": "integer",
                    "minimum": 1,
                    "maximum": 31
                },
                "pin": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "on_state": {"$ref": "qmk.definitions.v1#/bit"}
            }
        },
        "bluetooth": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "driver": {
                    "type": "string",
                    "enum": ["BluefruitLE", "RN42"]
                },
                "lto": {"type": "boolean"},
            }
        },
        "board": {
            "type": "string",
            "minLength": 2,
            "pattern": "^[a-zA-Z_][0-9a-zA-Z_]*$"
        },
        "bootloader": {
            "type": "string",
            "enum": ["atmel-dfu", "bootloadhid", "bootloadHID", "custom", "caterina", "halfkay", "kiibohd", "lufa-dfu", "lufa-ms", "md-boot", "qmk-dfu", "qmk-hid", "stm32-dfu", "stm32duino", "gd32v-dfu", "wb32-dfu", "unknown", "usbasploader", "USBasp", "tinyuf2", "rp2040"],
        },
        "bootloader_instructions": {
            "type": "string",
            "description": "Instructions for putting the keyboard into a mode that allows for firmware flashing."
        },
        "build": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "debounce_type": {
                    "type": "string",
                    "enum": ["custom", "eager_pk", "eager_pr", "sym_defer_pk", "sym_defer_pr", "sym_eager_pk"]
                },
                "firmware_format": {
                    "type": "string",
                    "enum": ["bin", "hex", "uf2"]
                },
                "lto": {"type": "boolean"},
            }
        },
        "diode_direction": {
            "type": "string",
            "enum": ["COL2ROW", "ROW2COL"]
        },
        "debounce": {"$ref": "qmk.definitions.v1#/unsigned_int"},
        "caps_word": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "enabled": {"type": "boolean"},
                "both_shifts_turns_on": {"type": "boolean"},
                "double_tap_shift_turns_on": {"type": "boolean"},
                "idle_timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"},
            },
        },
        "combo": {
            "type": "object",
            "properties": {
                "count": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "term": {"$ref": "qmk.definitions.v1#/unsigned_int"}
            }
        },
        "community_layouts": {
            "type": "array",
            "items": {"$ref": "qmk.definitions.v1#/filename"}
        },
        "encoder": {
            "$ref": "#/definitions/encoder_config",
            "properties": {
                "enabled": {"type": "boolean"}
            }
        },
        "features": {"$ref": "qmk.definitions.v1#/boolean_array"},
        "indicators": {
            "type": "object",
            "properties": {
                "caps_lock": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "num_lock": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "scroll_lock": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "compose": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "kana": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "on_state": {"$ref": "qmk.definitions.v1#/bit"}
            }
        },
        "layout_aliases": {
            "type": "object",
            "additionalProperties": {"$ref": "qmk.definitions.v1#/layout_macro"}
        },
        "layouts": {
            "type": "object",
            "propertyNames": {"$ref": "qmk.definitions.v1#/layout_macro"},
            "additionalProperties": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                    "filename": {
                        "type": "string"
                    },
                    "c_macro": {
                        "type": "boolean"
                    },
                    "layout": {
                        "type": "array",
                        "items": {
                            "type": "object",
                            "additionalProperties": false,
                            "properties": {
                                "label": {
                                    "type": "string",
                                    "pattern": "^[^\\n]*$"
                                },
                                "matrix": {
                                    "type": "array",
                                    "minItems": 2,
                                    "maxItems": 2,
                                    "items": {
                                        "type": "integer",
                                        "minimum": 0
                                    }
                                },
                                "r": {"$ref": "qmk.definitions.v1#/signed_decimal"},
                                "rx": {"$ref": "qmk.definitions.v1#/unsigned_decimal"},
                                "ry": {"$ref": "qmk.definitions.v1#/unsigned_decimal"},
                                "h": {"$ref": "qmk.definitions.v1#/key_unit"},
                                "w": {"$ref": "qmk.definitions.v1#/key_unit"},
                                "x": {"$ref": "qmk.definitions.v1#/key_unit"},
                                "y": {"$ref": "qmk.definitions.v1#/key_unit"}
                            }
                        }
                    }
                }
            }
        },
        "leader_key": {
            "type": "object",
            "properties": {
                "timing": {"type": "boolean"},
                "strict_processing": {"type": "boolean"},
                "timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"}
            }
        },
        "matrix_pins": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "custom": {"type": "boolean"},
                "custom_lite": {"type": "boolean"},
                "ghost": {"type": "boolean"},
                "io_delay": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "direct": {
                    "type": "array",
                    "items": {"$ref": "qmk.definitions.v1#/mcu_pin_array"}
                },
                "cols": {"$ref": "qmk.definitions.v1#/mcu_pin_array"},
                "rows": {"$ref": "qmk.definitions.v1#/mcu_pin_array"},
                "unused": {"$ref": "qmk.definitions.v1#/mcu_pin_array"}
            }
        },
        "mouse_key": {
            "type": "object",
            "properties": {
                "enabled": {"type": "boolean"},
                "delay": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                "interval": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                "max_speed": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                "time_to_max": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                "wheel_delay": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
            }
        },
        "oneshot": {
            "type": "object",
            "properties": {
                "tap_toggle": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"}
            }
        },
        "led_matrix": {
            "type": "object",
            "properties": {
                "driver": {"type": "string"},
                "layout": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "additionalProperties": false,
                        "properties": {
                            "matrix": {
                                "type": "array",
                                "minItems": 2,
                                "maxItems": 2,
                                "items": {
                                    "type": "integer",
                                    "minimum": 0
                                }
                            },
                            "x": {"$ref": "qmk.definitions.v1#/key_unit"},
                            "y": {"$ref": "qmk.definitions.v1#/key_unit"},
                            "flags": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                        }
                    }
                }
            }
        },
        "rgb_matrix": {
            "type": "object",
            "properties": {
                "driver": {"type": "string"},
                "layout": {
                    "type": "array",
                    "items": {
                        "type": "object",
                        "additionalProperties": false,
                        "properties": {
                            "matrix": {
                                "type": "array",
                                "minItems": 2,
                                "maxItems": 2,
                                "items": {
                                    "type": "integer",
                                    "minimum": 0
                                }
                            },
                            "x": {"$ref": "qmk.definitions.v1#/key_unit"},
                            "y": {"$ref": "qmk.definitions.v1#/key_unit"},
                            "flags": {"$ref": "qmk.definitions.v1#/unsigned_int_8"}
                        }
                    }
                }
            }
        },
        "rgblight": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "animations": {
                    "type": "object",
                    "additionalProperties": {
                        "type": "boolean"
                    }
                },
                "brightness_steps": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "hue_steps": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "layers": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "blink": {"type": "boolean"},
                        "enabled": {"type": "boolean"},
                        "max": {
                            "type": "integer",
                            "minimum": 1,
                            "maximum": 32
                        },
                        "override_rgb": {"type": "boolean"}
                    }
                },
                "led_count": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "max_brightness": {"$ref": "qmk.definitions.v1#/unsigned_int_8"},
                "pin": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "rgbw": {"type": "boolean"},
                "saturation_steps": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "sleep": {"type": "boolean"},
                "split": {"type": "boolean"},
                "split_count": {
                    "type": "array",
                    "minItems": 2,
                    "maxItems": 2,
                    "items": {"$ref": "qmk.definitions.v1#/unsigned_int"}
                }
            }
        },
        "secure": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "enabled": {"type": "boolean"},
                "unlock_timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "idle_timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "unlock_sequence": {
                    "type": "array",
                    "minItems": 1,
                    "maxItems": 5,
                    "items": {
                        "type": "array",
                        "minItems": 2,
                        "maxItems": 2,
                        "items": {
                            "type": "integer",
                            "minimum": 0
                        }
                    }
                }
            }
        },
        "stenography": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "enabled": {"type": "boolean"},
                "protocol": {
                    "type": "string",
                    "enum": ["all", "geminipr", "txbolt"]
                }
            }
        },
        "split": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "enabled": {"type": "boolean"},
                "matrix_grid": {
                    "type": "array",
                    "items": {"$ref": "qmk.definitions.v1#/mcu_pin"}
                },
                "matrix_pins": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "right": {
                            "type": "object",
                            "additionalProperties": false,
                            "properties": {
                                "direct": {
                                    "type": "array",
                                    "items": {"$ref": "qmk.definitions.v1#/mcu_pin_array"}
                                },
                                "cols": {"$ref": "qmk.definitions.v1#/mcu_pin_array"},
                                "rows": {"$ref": "qmk.definitions.v1#/mcu_pin_array"},
                                "unused": {"$ref": "qmk.definitions.v1#/mcu_pin_array"}
                            }
                        }
                    }
                },
                "encoder": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "right": {
                            "$ref": "#/definitions/encoder_config"
                        }
                    }
                },
                "main": {
                    "type": "string",
                    "enum": ["eeprom", "left", "matrix_grid", "pin", "right"]
                },
                "soft_serial_pin": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "soft_serial_speed": {
                    "type": "integer",
                    "minimum": 0,
                    "maximum": 5
                },
                "transport": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "protocol": {
                            "type": "string",
                            "enum": ["custom", "i2c", "serial", "serial_usart"]
                        },
                        "sync_matrix_state": {"type": "boolean"},
                        "sync_modifiers": {"type": "boolean"}
                    }
                },
                "usb_detect": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "enabled": {"type": "boolean"},
                        "polling_interval": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                        "timeout": {"$ref": "qmk.definitions.v1#/unsigned_int"}
                    }
                }
            }
        },
        "tags": {
            "type": "array",
            "items": {"type": "string"}
        },
        "tapping": {
            "type": "object",
            "properties": {
                "force_hold": {"type": "boolean"},
                "force_hold_per_key": {"type": "boolean"},
                "ignore_mod_tap_interrupt": {"type": "boolean"},
                "ignore_mod_tap_interrupt_per_key": {"type": "boolean"},
                "permissive_hold": {"type": "boolean"},
                "permissive_hold_per_key": {"type": "boolean"},
                "retro": {"type": "boolean"},
                "retro_per_key": {"type": "boolean"},
                "term": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "term_per_key": {"type": "boolean"},
                "toggle": {"$ref": "qmk.definitions.v1#/unsigned_int"},
            }
        },
        "usb": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "device_ver": {"$ref": "qmk.definitions.v1#/hex_number_4d"}, # Deprecated
                "device_version": {"$ref": "qmk.definitions.v1#/bcd_version"},
                "force_nkro": {"type": "boolean"},
                "pid": {"$ref": "qmk.definitions.v1#/hex_number_4d"},
                "vid": {"$ref": "qmk.definitions.v1#/hex_number_4d"},
                "max_power": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "no_startup_check": {"type": "boolean"},
                "polling_interval": {"$ref": "qmk.definitions.v1#/unsigned_int_8"},
                "shared_endpoint": {
                    "type": "object",
                    "additionalProperties": false,
                    "properties": {
                        "keyboard": {"type": "boolean"},
                        "mouse": {"type": "boolean"}
                    }
                },
                "suspend_wakeup_delay": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "wait_for": {"type": "boolean"},
            }
        },
        "qmk": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "keys_per_scan": {"$ref": "qmk.definitions.v1#/unsigned_int_8"},
                "tap_keycode_delay": {"$ref": "qmk.definitions.v1#/unsigned_int"},
                "tap_capslock_delay": {"$ref": "qmk.definitions.v1#/unsigned_int"},
            }
        },
        "qmk_lufa_bootloader": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "esc_output": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "esc_input": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "led": {"$ref": "qmk.definitions.v1#/mcu_pin"},
                "speaker": {"$ref": "qmk.definitions.v1#/mcu_pin"}
            }
        }
    }
}